233421252 has 24 divisors (see below), whose sum is σ = 546623616. Its totient is φ = 77525088.

The previous prime is 233421247. The next prime is 233421259. The reversal of 233421252 is 252124332.

It is not an unprimeable number, because it can be changed into a prime (233421259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31788 + ... + 38435.

It is an arithmetic number, because the mean of its divisors is an integer number (22775984).

Almost surely, 2^233421252 is an apocalyptic number.

It is an amenable number.

233421252 is an abundant number, since it is smaller than the sum of its proper divisors (313202364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233421252 is a wasteful number, since it uses less digits than its factorization.

233421252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70507 (or 70505 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 233421252 is about 15278.1298593774. The cubic root of 233421252 is about 615.7155634313.

Adding to 233421252 its reverse (252124332), we get a palindrome (485545584).

The spelling of 233421252 in words is "two hundred thirty-three million, four hundred twenty-one thousand, two hundred fifty-two".